6315389 has 2 divisors, whose sum is σ = 6315390. Its totient is φ = 6315388.

The previous prime is 6315383. The next prime is 6315403. The reversal of 6315389 is 9835136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 2544025 = 1942^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 6315389 - 2⁴ = 6315373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6315383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157694 + 3157695.

It is an arithmetic number, because the mean of its divisors is an integer number (3157695).

Almost surely, 2^6315389 is an apocalyptic number.

It is an amenable number.

6315389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315389 is an equidigital number, since it uses as much as digits as its factorization.

6315389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 6315389 is about 2513.0437720024. The cubic root of 6315389 is about 184.8417346225.

The spelling of 6315389 in words is "six million, three hundred fifteen thousand, three hundred eighty-nine".